Home / 847,853.96-1,170,038.19-465,905.34

Finding the Fourth Proportional to 847,853.96, 1,170,038.19 and 465,905.34

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Solution

The fourth proportional to 847,853.96, 1,170,038.19 and 465,905.34 is: 642,949.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,853.96 : 1,170,038.19 = 465,905.34 : x
  2. Step 2: Convert to fraction form
    847,853.96/1,170,038.19 = 465,905.34/x
  3. Step 3: Cross multiply
    847,853.96x = 1,170,038.19 × 465,905.34
  4. Step 4: Simplify right side
    847,853.96x = 545,127,038,395.41
  5. Step 5: Solve for x
    x = 545,127,038,395.41/847,853.96
  6. Step 6: Final answer
    x = 642,949.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.